Boot



FIG. 1 is a rear perspective view of a boot showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a first side view thereof;

FIG. 4 is a second side view thereof; and,

FIG. 5 is a bottom view thereof.

The dash-dash broken lines shown in the drawings represent unclaimed environment and are for illustrative purposes only, forming no part of the claimed design. 

CLAIM The ornamental design for boot, as shown and described. 